Question78:-Neutral human pH at temperature of 20° C is
‏77ھ‎
‎B:-7.4
‎C:-7.2
‎D:-7.5
‎Correct Answer:- Option-A
Question79:-Which of the following is a myocardial protection strategy 7
A:-Systematic hypothermia
B:-Cardioplegic amest
C:-Topical hypothermia
D:-All the above
Correct Answer:- Option-D
Question80:-A one way valve placed in the arterial line is designed to prevent
A:-Forward flow
B:-Retrograde flow
C:-Sucking air from cannulation site
D:-Overpressurisation
Correct Answer:- Option-B
Question81:-The mi um acceptable range of haematocrit on CPB is
A:-18-21%
B:-16-18%
C:-21-24%
D:-more than 25%
Correct Answer:- Option-A
Question82:-When using a centrifugal pump one must always maintain 7
A:-forward flow and positive pressure
B:-forward flow and negative pressure
C:-forward flow at 4000 ಗಾಗಾ
D:-forward flow except in RAP
Correct Answer:- Option-A
Question83:-Which of the following is observed when an oxygenator begins to clot 7
A:-A low membrane pressure gradient
B:-High arterial line pressure
C:-High MAP
D:-High membrane pressure gradient
Correct Answer:- Option-D
Question84:-To ensure proper communication with surgeon a perfusionist must always
A:-answer promptly
B:-repeat surgeons orders
C:-talk to anaesthesiologist
D:-document all orders
Correct Answer:- Option-B
Question85:-The best method to monitor cerebral oxygen delivery is
A:-Cerebral oximetry
B:-Venous oxygen saturation
C:-Inline blood gas monitoring
D:-Arterial saturation monitor
Correct Answer:- Option-A
Question86:-Which aortic cannula has embolism protection 7
A:-Embol
B:-Biomedicus
C:-EOPA
D:-Femflex
Correct Answer:- Option-A
Question87:-What is not true of left dominant circulation 7
A:-Seen in about 20% population
B:-Left circumflex artery supplies PDA
C:-Left cicumflex artery gives off obtuse marginal
D:-Left circumflex artery may originate from right coronary sinus